[A letter to his father, 22 April 1837] While we were sitting over our wine after dinner, in came Dr. [Charles G. B.] Daubeny, one of the most celebrated geologists of the day—a curious little animal, looking through its spectacles with an air very distinguée — and Mr. Darwin, whom I had heard read a paper at the Geological Society. He and I got together, and talked all the evening.